6
119 min
After his mother's death, 16-year-old Hyung-ju suspects that his father is not his biological father. A secret paternity test reveals that he is not. Confused, he uses his math skills to figure out his biological father and embarks on a journey with his best friend, Ji-su, to find him.
| Name | Character | Team | |
|---|---|---|---|
| Jeong Da-min | Hyung-ju | Unowned | |
![]() |
Kwak Min-kyu | Min-hyu | Unowned |
![]() |
Kim Se-won | Ji-su | Unowned |
![]() |
Seo Suk-kyu | Unowned | |
| Woo Yeon-seo | Unowned | ||
![]() |
Kim Jae-u | Unowned |